<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org"
      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
      layout:decorate="~{layouts/layout}">

<head>
    <title>Hello Spring Boot!</title>
</head>
<body>
<!-- Header -->
<div>
    <!-- ============================================================================ -->
    <!-- This content is only used for static prototyping purposes (natural templates)-->
    <!-- and is therefore entirely optional.                                           -->
    <!-- ============================================================================ -->
    <div class="navbar navbar-inverse navbar-fixed-top">
        <div class="container">
            <div class="navbar-header">
                <a class="navbar-brand" href="#">Static header</a>
            </div>
            <div class="navbar-collapse collapse">
                <ul class="nav navbar-nav">
                    <li class="active"><a href="#">Home</a></li>
                </ul>
            </div>
        </div>
    </div>
</div>
<!-- Insert content into the layouts/layout.html -->
<th:block layout:fragment="content">

  fsdafsda
</th:block>
</body>
</html>